Граф коммитов

2531 Коммитов

Автор SHA1 Сообщение Дата
Linus Torvalds 1c74a7f812 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
Pull HID fixes from Jiri Kosina:

 - fix for how scaling linearization is computed in wiimote driver, by
   Cyan Ogilvie

 - endless retry loop fix in generic USB HID core reset-resume handling,
   by Alan Stern

 - two functional fixes affecting particular devices, and oops fix for
   wacom driver, by Jason Gerecke

 - multitouch slot numbering fix from Gabriele Mazzotta

 - a couple more small fixes on top

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid:
  HID: wacom: Support switching from vendor-defined device mode on G9 and G11
  HID: wacom: Initialize hid_data.inputmode to -1
  HID: microsoft: add support for 3 more devices
  HID: multitouch: Synchronize MT frame on reset_resume
  HID: wacom: fix Bamboo ONE oops
  HID: lenovo: Don't use stack variables for DMA buffers
  HID: usbhid: fix inconsistent reset/resume/reset-resume behavior
  HID: wiimote: Fix wiimote mp scale linearization
2016-04-11 12:31:09 -07:00
Jason Gerecke 326ea2a905 HID: wacom: Support switching from vendor-defined device mode on G9 and G11
A tablet PC booted into Windows may have its pen/touch hardware switched
into "Wacom mode" similar to what we do with explicitly-supported hardware.
Some devices appear to maintain this state across reboots, preventing their
use with the generic HID driver. This patch adds support for detecting the
presence of the mode switch feature report used by devices based on the G9
and G11 chips and has the HID codepath always attempt to reset the device
back to sending standard HID reports.

Fixes: https://sourceforge.net/p/linuxwacom/bugs/307/
Fixes: https://sourceforge.net/p/linuxwacom/bugs/310/
Fixes: https://github.com/linuxwacom/input-wacom/issues/15

Co-authored-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2016-04-05 17:20:32 +02:00
Jason Gerecke c6fa1aeba0 HID: wacom: Initialize hid_data.inputmode to -1
Commit 5ae6e89 introduced hid_data.inputmode with a comment that it
would have the value -1 if undefined, but then forgot to actually
perform the initialization. Although this doesn't appear to have
caused any problems in practice, it should still be remedied.

Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2016-04-05 17:20:31 +02:00
Alistair Leslie-Hughes c847a89a87 HID: microsoft: add support for 3 more devices
Adds support for the Micrsift Digital 4K, Media 600 and Media 3000 V1 Keyboards,
which have the same quirks as the already existing hardware MS_NE4K.

Fixes https://bugzilla.kernel.org/show_bug.cgi?id=52841

[jkosina@suse.cz: rephrase changelog]
Signed-off-by: Alistair Leslie-Hughes <leslie_alistair@hotmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2016-04-04 15:56:16 +02:00
Gabriele Mazzotta 0a0f5b7e5b HID: multitouch: Synchronize MT frame on reset_resume
input_mt_get_slot_by_key() requires input_mt_sync_frame() to be called
at each frame. Do it when releasing the touches, or else we won't get
a proper slot number after mt_reset_resume().

Signed-off-by: Gabriele Mazzotta <gabriele.mzt@gmail.com>
Reviewed-by: Benson Leung <bleung@chromium.org>
Reviewed-by: Benjamin TIssoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2016-04-01 11:34:11 +02:00
Benjamin Tissoires 580549ef6b HID: wacom: fix Bamboo ONE oops
Looks like recent changes in the Wacom driver made the Bamboo ONE crashes.
The tablet behaves as if it was a regular Bamboo device with pen, touch
and pad, but there is no physical pad connected to it.
The weird part is that the pad is still sending events and given that
there is no input node connected to it, we get  anull pointer exception.

Link: https://bugzilla.redhat.com/show_bug.cgi?id=1317116

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Acked-by: Ping Cheng <pingc@wacom.com>
Cc: stable@vger.kernel.org
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2016-03-29 15:42:27 +02:00
Josh Boyer ea36ae0910 HID: lenovo: Don't use stack variables for DMA buffers
The lenovo_send_cmd_cptkbd function uses a stack variable to submit
commands via hid_hw_raw_request.  Eventually this gets to the
usb_hcd_map_urb_for_dma function, which causes a warning to be thrown
if the CONFIG_DMA_API_DEBUG option is enabled.

Fix this by allocating a temporary buffer instead.

[jkosina@suse.cz: no need to NULL-initialize buf, spotted by Benjamin]
Reported-by: lejeczek <peljasz@yahoo.co.uk>
Signed-off-by: Josh Boyer <jwboyer@fedoraproject.org>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2016-03-29 15:39:36 +02:00
Alan Stern 972e6a993f HID: usbhid: fix inconsistent reset/resume/reset-resume behavior
The usbhid driver has inconsistently duplicated code in its post-reset,
resume, and reset-resume pathways.

	reset-resume doesn't check HID_STARTED before trying to
	restart the I/O queues.

	resume fails to clear the HID_SUSPENDED flag if HID_STARTED
	isn't set.

	resume calls usbhid_restart_queues() with usbhid->lock held
	and the others call it without holding the lock.

The first item in particular causes a problem following a reset-resume
if the driver hasn't started up its I/O.  URB submission fails because
usbhid->urbin is NULL, and this triggers an unending reset-retry loop.

This patch fixes the problem by creating a new subroutine,
hid_restart_io(), to carry out all the common activities.  It also
adds some checks that were missing in the original code:

	After a reset, there's no need to clear any halted endpoints.

	After a resume, if a reset is pending there's no need to
	restart any I/O until the reset is finished.

	After a resume, if the interrupt-IN endpoint is halted there's
	no need to submit the input URB until the halt has been
	cleared.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Reported-by: Daniel Fraga <fragabr@gmail.com>
Tested-by: Daniel Fraga <fragabr@gmail.com>
CC: <stable@vger.kernel.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2016-03-24 15:26:20 +01:00
Andy Lutomirski 7365abbade drivers/hid/uhid.c: check write() bitness using in_compat_syscall
uhid changes the format expected in write() depending on bitness.  It
should check the syscall bitness directly.

Signed-off-by: Andy Lutomirski <luto@kernel.org>
Cc: David Herrmann <dh.herrmann@googlemail.com>
Acked-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-03-22 15:36:02 -07:00
Cyan Ogilvie d30596737e HID: wiimote: Fix wiimote mp scale linearization
The wiimote motion plus gyros use two scales to report fast and slow
rotation - below 440 deg/s uses 8192/440 units / deg/s, and above uses
8192/2000 units / deg/s.

Previously this driver attempted to linearize the two by scaling the fast
rate by 18 and the slow by 9, but this results in a scale of
8192*9/440 = ~167.564 for slow and 8192*18/2000 = 73.728 for fast.

Correct the fast motion scale factor so that both report ~167.564
units / deg/s

Signed-off-by: Cyan Ogilvie <cyan.ogilvie@gmail.com>
Reviewed-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2016-03-18 17:31:38 +01:00
Linus Torvalds d66435cc7d Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
Pull HID updates from Jiri Kosina:

 - functionally equivalent cleanups for wacom driver, making the code
   more readable, from Benjamin Tissoires

 - a bunch of improvements and fixes for thingm driver from Heiner
   Kallweit

 - bugfixes to out-of-bound access for generic parsing functions (which
   have been there since ever) extract() and implement(), from Dmitry
   Torokhov

 - a lot of added / improved device support in sony, wacom, microsoft,
   multitouch and logitech driver, from various people

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: (44 commits)
  HID: microsoft: Add ID for MS Wireless Comfort Keyboard
  hid: thingm: reorder calls in thingm_probe
  HID: i2c-hid: fix OOB write in i2c_hid_set_or_send_report()
  HID: multitouch: Release all touch slots on reset_resume
  HID: usbhid: enable NO_INIT_REPORTS quirk for Semico USB Keykoard2
  HID: penmount: report only one button for PenMount 6000 USB touchscreen controller
  HID: i2c-hid: Fix suspend/resume when already runtime suspended
  HID: i2c-hid: Add hid-over-i2c name to i2c id table
  HID: multitouch: force retrieving of Win8 signature blob
  HID: Support for CMedia CM6533 HID audio jack controls
  HID: thingm: improve locking
  HID: thingm: switch to managed version of led_classdev_register
  HID: thingm: remove workqueue
  HID: corsair: fix mapping of non-keyboard usages
  HID: wacom: close the wireless receiver on remove()
  HID: wacom: cleanup input devices
  HID: wacom: reuse wacom_parse_and_register() in wireless_work
  HID: wacom: move down wireless_work()
  HID: wacom: break out parsing of device and registering of input
  HID: wacom: break out wacom_intuos_get_tool_type
  ...
2016-03-17 21:32:20 -07:00
Jiri Kosina e1c9b9ff24 Merge branches 'for-4.5/upstream-fixes', 'for-4.6/cmedia', 'for-4.6/i2c-hid', 'for-4.6/logitech', 'for-4.6/multitouch', 'for-4.6/penmount', 'for-4.6/sony', 'for-4.6/thingm', 'for-4.6/upstream' and 'for-4.6/wacom' into for-linus 2016-03-17 13:51:54 +01:00
Slava Bacherikov f9a82c2054 HID: microsoft: Add ID for MS Wireless Comfort Keyboard
Microsoft Wireless Comfort Keyboard has vendor specific My Favorites
1-5 keys. Linux already supports this buttons on other MS keyboards by
MS_ERGONOMY quirk. So apply MS_ERGONOMY quirk to USB PID 0x00e3
(Microsoft Wireless Optical Desktop Receiver 3.0A). After this
My Favorites 1..5 keys will be reported as KEY_F14..KEY_F15 events.

Signed-off-by: Slava Bacherikov <slava@bacher09.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2016-03-16 11:19:26 +01:00
Heiner Kallweit 1d1b564ff8 hid: thingm: reorder calls in thingm_probe
When reviewing another thingm patch Benjamin Tissoires pointed out
the following: "The problem here is that hid_hw_start() is called
before thingm_version() which allows user space to briefly introduce
races between thingm_version() and any hidraw requests.
The mutex will not help here as it is initialized after hid_hw_start()
and only used for protecting the concurrent access of the rgb."

Avoid this possible issue by calling hid_hw_start() later in the
probe function.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2016-03-15 15:28:55 +01:00
Dmitry Torokhov 3b654288b1 HID: i2c-hid: fix OOB write in i2c_hid_set_or_send_report()
Even though hid_hw_* checks that passed in data_len is less than
HID_MAX_BUFFER_SIZE it is not enough, as i2c-hid does not necessarily
allocate buffers of HID_MAX_BUFFER_SIZE but rather checks all device
reports and select largest size. In-kernel users normally just send as much
data as report needs, so there is no problem, but hidraw users can do
whatever they please:

BUG: KASAN: slab-out-of-bounds in memcpy+0x34/0x54 at addr ffffffc07135ea80
Write of size 4101 by task syz-executor/8747
CPU: 2 PID: 8747 Comm: syz-executor Tainted: G    BU         3.18.0 #37
Hardware name: Google Tegra210 Smaug Rev 1,3+ (DT)
Call trace:
[<ffffffc00020ebcc>] dump_backtrace+0x0/0x258 arch/arm64/kernel/traps.c:83
[<ffffffc00020ee40>] show_stack+0x1c/0x2c arch/arm64/kernel/traps.c:172
[<     inline     >] __dump_stack lib/dump_stack.c:15
[<ffffffc001958114>] dump_stack+0x90/0x140 lib/dump_stack.c:50
[<     inline     >] print_error_description mm/kasan/report.c:97
[<     inline     >] kasan_report_error mm/kasan/report.c:278
[<ffffffc0004597dc>] kasan_report+0x268/0x530 mm/kasan/report.c:305
[<ffffffc0004592e8>] __asan_storeN+0x20/0x150 mm/kasan/kasan.c:718
[<ffffffc0004594e0>] memcpy+0x30/0x54 mm/kasan/kasan.c:299
[<ffffffc001306354>] __i2c_hid_command+0x2b0/0x7b4 drivers/hid/i2c-hid/i2c-hid.c:178
[<     inline     >] i2c_hid_set_or_send_report drivers/hid/i2c-hid/i2c-hid.c:321
[<ffffffc0013079a0>] i2c_hid_output_raw_report.isra.2+0x3d4/0x4b8 drivers/hid/i2c-hid/i2c-hid.c:589
[<ffffffc001307ad8>] i2c_hid_output_report+0x54/0x68 drivers/hid/i2c-hid/i2c-hid.c:602
[<     inline     >] hid_hw_output_report include/linux/hid.h:1039
[<ffffffc0012cc7a0>] hidraw_send_report+0x400/0x414 drivers/hid/hidraw.c:154
[<ffffffc0012cc7f4>] hidraw_write+0x40/0x64 drivers/hid/hidraw.c:177
[<ffffffc0004681dc>] vfs_write+0x1d4/0x3cc fs/read_write.c:534
[<     inline     >] SYSC_pwrite64 fs/read_write.c:627
[<ffffffc000468984>] SyS_pwrite64+0xec/0x144 fs/read_write.c:614
Object at ffffffc07135ea80, in cache kmalloc-512
Object allocated with size 268 bytes.

Let's check data length against the buffer size before attempting to copy
data over.

Cc: stable@vger.kernel.org
Reported-by: Alexander Potapenko <glider@google.com>
Signed-off-by: Dmitry Torokhov <dtor@chromium.org>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2016-03-15 14:27:10 +01:00
Benson Leung d3e69b9a04 HID: multitouch: Release all touch slots on reset_resume
When resetting a device (especially after power loss) it is unlikely
that the firmware will keep the contact tracking data for the previous
touches and will be able to reconcile it with the new contacts, so
let's release all slots on reset resume as start anew.

Signed-off-by: Benson Leung <bleung@chromium.org>
Signed-off-by: Dmitry Torokhov <dtor@chromium.org>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2016-03-14 10:00:00 +01:00
Daniel Bristot de Oliveira c14022bfd2 HID: usbhid: enable NO_INIT_REPORTS quirk for Semico USB Keykoard2
The device which identifies itself as a "USB Keykoard" (no typo)
with VID:PID 1a2c:0027 does not seem to be handling the reports
initialization very well.

This results in a "usb_submit_urb(ctrl) failed: -1" message from the
kernel when connected, and a delay before its initialization. It can
also cause the hang the system.

This patch adds the  quirk for this device, which causes the delay
to disappear. It is named as "USB Keykoard2" because the "USB Keykoard"
already exists.

Signed-off-by: Daniel Bristot de Oliveira <bristot@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2016-03-10 18:20:24 +01:00
Andrew Shadura 5f66872cbd HID: penmount: report only one button for PenMount 6000 USB touchscreen controller
PenMount 6000 USB resistive touchscreen controller reports it has three
buttons, while in reality it doesn't have any and doesn't support active
styli, and only generates touch events.

In penmount_input_mapping(), map only the first button (with code 0),
ignore the rest.

Signed-off-by: Andrew Shadura <andrew.shadura@collabora.co.uk>
Tested-by: Christian Gmeiner <c.gmeiner@bachmann.info
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2016-03-10 17:17:26 +01:00
Doug Anderson 01714a6f5f HID: i2c-hid: Fix suspend/resume when already runtime suspended
On ACPI-based systems ACPI power domain code runtime resumes device before
calling suspend method, which ensures that i2c-hid suspend code starts with
device not in low-power state and with interrupts enabled.

On other systems, especially if device is not a part of any power domain,
we may end up calling driver's system-level suspend routine while the
device is runtime-suspended (with controller in presumably low power state
and interrupts disabled). This will result in interrupts being essentially
disabled twice, and we will only re-enable them after both system resume
and runtime resume methods complete. Unfortunately i2c_hid_resume() calls
i2c_hid_hwreset() and that only works properly if interrupts are enabled.

Also if device is runtime-suspended driver's suspend code may fail if it
tries to issue I/O requests.

Let's fix it by runtime-resuming the device if we need to run HID driver's
suspend code and also disabling interrupts only if device is not already
runtime-suspended. Also on resume we mark the device as running at full
power (since that is what resetting will do to it).

Reviewed-by: Benson Leung <bleung@chromium.org>
Tested-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Dmitry Torokhov <dtor@chromium.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2016-03-10 10:04:22 +01:00
Benson Leung 1dcdde98bc HID: i2c-hid: Add hid-over-i2c name to i2c id table
When using the device tree binding OF compatible = "hid-over-i2c" the
i2c id table also needs to have that name in order to auto load this
driver, since i2c core reports module alias as i2c:<string> where
<string> is compatible string of OF binding stripped of manufacturer's
prefix.

Tested-by: Andrew Duggan <aduggan@synaptics.com>
Acked-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Benson Leung <bleung@chromium.org>
Signed-off-by: Dmitry Torokhov <dtor@chromium.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2016-03-10 10:04:21 +01:00
Benjamin Tissoires 45c5c68282 HID: multitouch: force retrieving of Win8 signature blob
The Synaptics 0x11e5 over I2C found in the Asus T100-CHI requires to
fetch the signature blob to actually start sending events.

With this patch, we should be close enough to the Windows driver which
checks the content of the blob at plugin to validate or not the
touchscreen.

Link: https://bugzilla.kernel.org/show_bug.cgi?id=113481
Fixes: 6d4f5440 ("HID: multitouch: Fetch feature reports on demand for Win8 devices")
Cc: stable@vger.kernel.org
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2016-03-07 23:42:49 +01:00
Ben Chen ad8ddc5755 HID: Support for CMedia CM6533 HID audio jack controls
The C-Media CM6533 is a USB audio chip featuring it's jack detection
capability.The device originates an interrupt transfer via HID interface each
time when a jack event occurs.  The purpose of this patch is to handle hid raw
events to keep the operating system informed of user interactions.

Signed-off-by: Ben Chen <ben_chen@bizlinktech.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2016-03-02 10:31:36 +01:00
Heiner Kallweit 43a4a04d4d HID: thingm: improve locking
Reading from the device consists of two operations: sending the read
command and the actual read from the device. If the device is accessed
in between we might read wrong data. Therefore protect the full sequence
of both operations with a mutex.
Also change the semantics of thingm_recv to include both operations.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2016-03-02 10:20:31 +01:00
Heiner Kallweit c46fab2870 HID: thingm: switch to managed version of led_classdev_register
Simplify the code by switching to the managed version of
led_classdev_register.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2016-03-02 10:20:30 +01:00
Heiner Kallweit 3de68ce92b HID: thingm: remove workqueue
Defining workqueues in LED drivers isn't needed any longer as the LED core
was extended with a generic workqueue recently.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2016-03-02 10:20:30 +01:00
Clément Vuchener e791f7b102 HID: corsair: fix mapping of non-keyboard usages
This fixes a bug where the Volume Up key was ignored because it uses the same usage code as G18. Special Corsair usage codes are in the keyboard page, other pages should be left to the generic driver.

Signed-off-by: Clément Vuchener <clement.vuchener@gmail.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2016-02-23 14:21:19 +01:00
Benjamin Tissoires f620516178 HID: wacom: close the wireless receiver on remove()
rmmod/insmod the wacom.ko module does not work for the receiver because
it was not previously closed. Now, we can hack with the wireless receiver
without having to unplug/replug it.

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Acked-by: Ping Cheng <pingc@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2016-02-16 20:40:38 +01:00
Benjamin Tissoires 17f28470f4 HID: wacom: cleanup input devices
Just some cleaning up when the input devices are unregistered.

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Acked-by: Ping Cheng <pingc@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2016-02-16 20:40:38 +01:00
Benjamin Tissoires fd5f92b6d3 HID: wacom: reuse wacom_parse_and_register() in wireless_work
Removes duplicated code.
The only difference is that we now need to stop and start the attached hid
device, but this is a small cost.

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Acked-by: Ping Cheng <pingc@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2016-02-16 20:40:37 +01:00
Benjamin Tissoires a2f091af75 HID: wacom: move down wireless_work()
If wireless_work() wants to reuse parse_and_register(), we need to have
it declared after this function.

No functional changes.

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Acked-by: Ping Cheng <pingc@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2016-02-16 20:40:37 +01:00
Benjamin Tissoires c58ac3a88d HID: wacom: break out parsing of device and registering of input
Simplifies the .probe() and will allow to reuse this path in the future.
Few things are reshuffled in .probe():
- init wacom struct earlier
- then retrieve the report descriptor
- then parse it and allocate/register inputs.

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Acked-by: Ping Cheng <pingc@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2016-02-16 20:40:37 +01:00
Benjamin Tissoires 7e129783b0 HID: wacom: break out wacom_intuos_get_tool_type
Allow to reuse the code in a later series and simplifies
the reading of wacom_intuos_inout().

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Acked-by: Ping Cheng <pingc@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2016-02-16 20:40:36 +01:00
Benjamin Tissoires 4392bf3333 HID: fix hid_ignore_special_drivers module parameter
hid_ignore_special_drivers works fine until hid_scan_report autodetects and
reassign devices (for hid-multitouch, hid-microsoft and hid-rmi).

Simplify the handling of the parameter: if it is there, use hid-generic, no
matter what, and if not, scan the device or rely on the hid_have_special_driver
table.

This was detected while trying to disable hid-multitouch on a Surface Pro cover
which prevented to use the keyboard.

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
CC: stable@vger.kernel.org
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2016-02-16 11:03:50 +01:00
Grazvydas Ignotas 5d74325a22 HID: logitech: fix Dual Action gamepad support
The patch that added Logitech Dual Action gamepad support forgot to
update the special driver list for the device. This caused the logitech
driver not to probe unless kernel module load order was favorable.
Update the special driver list to fix it. Thanks to Simon Wood for the
idea.

Cc: Vitaly Katraew <zawullon@gmail.com>
Fixes: 56d0c8b7c8 ("HID: add support for Logitech Dual Action gamepads")
Signed-off-by: Grazvydas Ignotas <notasas@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2016-02-16 11:00:36 +01:00
Pavel Machek 1adf904e90 HID: sony: underscores are unnecessary for u8, u16, s32
Double-underscore prefixed types are unnecessary in pure kernel code,
replace them with the non prefixed equivalents.

Signed-off-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Antonio Ospite <ao2@ao2.it>
Acked-by: Frank Praznik <frank.praznik@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2016-02-10 11:32:08 +01:00
Antonio Ospite ef916ef5ef HID: sony: fix some warnings from scripts/checkpatch.pl
WARNING: Block comments use a trailing */ on a separate line
  #822: FILE: drivers/hid/hid-sony.c:822:
  +	   * number but it's not needed for correct operation */

  WARNING: Block comments use a trailing */ on a separate line
  #828: FILE: drivers/hid/hid-sony.c:828:
  +	   * buttons multiple keypresses are allowed */

  WARNING: Block comments use a trailing */ on a separate line
  #854: FILE: drivers/hid/hid-sony.c:854:
  +	   * 0xff and 11th is for press indication */

  WARNING: Missing a blank line after declarations
  #1930: FILE: drivers/hid/hid-sony.c:1930:
  +	struct sony_sc *sc = container_of(work, struct sony_sc, state_worker);
  +	sc->send_output_report(sc);

  WARNING: Block comments use a trailing */ on a separate line
  #2510: FILE: drivers/hid/hid-sony.c:2510:
  +	 * Logitech joystick from the device descriptor. */

Signed-off-by: Antonio Ospite <ao2@ao2.it>
Acked-by: Frank Praznik <frank.praznik@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2016-02-10 11:31:38 +01:00
Antonio Ospite 09593e3888 HID: sony: fix errors from scripts/checkpatch.pl
./scripts/checkpatch.pl \
    --types "SPACING,TRAILING_WHITESPACE,POINTER_LOCATION,CODE_INDENT" \
    -f drivers/hid/hid-sony.c

  ERROR: trailing whitespace
  #933: FILE: drivers/hid/hid-sony.c:933:
  +^I * $

  ERROR: space prohibited after that open square bracket '['
  #947: FILE: drivers/hid/hid-sony.c:947:
  +	[ 1] = BTN_TRIGGER_HAPPY1,

  ERROR: space prohibited after that open square bracket '['
  #948: FILE: drivers/hid/hid-sony.c:948:
  +	[ 2] = BTN_TRIGGER_HAPPY2,

  ERROR: space prohibited after that open square bracket '['
  #949: FILE: drivers/hid/hid-sony.c:949:
  +	[ 3] = BTN_TRIGGER_HAPPY3,

  ERROR: space prohibited after that open square bracket '['
  #950: FILE: drivers/hid/hid-sony.c:950:
  +	[ 4] = BTN_TRIGGER_HAPPY4,

  ERROR: space prohibited after that open square bracket '['
  #951: FILE: drivers/hid/hid-sony.c:951:
  +	[ 5] = BTN_TRIGGER_HAPPY5,

  ERROR: space prohibited after that open square bracket '['
  #952: FILE: drivers/hid/hid-sony.c:952:
  +	[ 6] = BTN_TRIGGER_HAPPY6,

  ERROR: space prohibited after that open square bracket '['
  #953: FILE: drivers/hid/hid-sony.c:953:
  +	[ 7] = BTN_TRIGGER_HAPPY7,

  ERROR: space prohibited after that open square bracket '['
  #954: FILE: drivers/hid/hid-sony.c:954:
  +	[ 8] = BTN_TRIGGER_HAPPY8,

  ERROR: space prohibited after that open square bracket '['
  #955: FILE: drivers/hid/hid-sony.c:955:
  +	[ 9] = BTN_TRIGGER_HAPPY9,

  ERROR: "(foo*)" should be "(foo *)"
  #1032: FILE: drivers/hid/hid-sony.c:1032:
  +	void(*send_output_report)(struct sony_sc*);

  WARNING: missing space after return type
  #1032: FILE: drivers/hid/hid-sony.c:1032:
  +	void(*send_output_report)(struct sony_sc*);

  ERROR: "(foo*)" should be "(foo *)"
  #2261: FILE: drivers/hid/hid-sony.c:2261:
  +				void(*send_output_report)(struct sony_sc*))

  WARNING: missing space after return type
  #2261: FILE: drivers/hid/hid-sony.c:2261:
  +				void(*send_output_report)(struct sony_sc*))

  ERROR: code indent should use tabs where possible
  #2449: FILE: drivers/hid/hid-sony.c:2449:
  +         */$

  total: 13 errors, 2 warnings, 2570 lines checked

Signed-off-by: Antonio Ospite <ao2@ao2.it>
Acked-by: Frank Praznik <frank.praznik@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2016-02-10 11:31:38 +01:00
Antonio Ospite bfb61abfc8 HID: lg: fix a typo in descriptors comments s/Joystik/Joystick/
Signed-off-by: Antonio Ospite <ao2@ao2.it>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2016-02-10 11:31:10 +01:00
Nicholas Krause 0c4b3c637c HID: multitouch: warn on sysfs group creation failure
This adds a warning message stating that the sysfs group was not able to be
created for the passed hid_device structure pointer with dev_warn.

Signed-off-by: Nicholas Krause <xerofoify@gmail.com>
Reviewed-by: Benjamin Tissoires <benajmin.tissoires@redhat.com>
[jkosina@suse.cz: massaged changelog a bit]
[jkosina@suse.cz: reformatted source]
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2016-02-05 14:37:19 +01:00
Antonio Ospite d542176f94 HID: sony: fix a typo in descriptors comments s/Joystik/Joystick/
Signed-off-by: Antonio Ospite <ao2@ao2.it>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2016-01-29 17:12:41 +01:00
Antonio Ospite 313726cad3 HID: dragonrise: fix a typo in descriptors comments s/Joystik/Joystick/
Signed-off-by: Antonio Ospite <ao2@ao2.it>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2016-01-29 17:12:31 +01:00
Stafford Horne a382c30c66 HID: quirks: Add no_init_reports for AKAI midi controller
The midi controller times-out while initializing reports, this
causes boot to take an extra 10 seconds. The device descriptor
advertises that it has an internal HID device but seems to not
actually do anything useful.

Signed-off-by: Stafford Horne <shorne@gmail.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2016-01-29 16:38:20 +01:00
Jiri Kosina af2e628d6b HID: logitech-hidpp: limit visibility of init/deinit functions
hidpp_ff_init() and hidpp_ff_deinit() are not used outside of
hid-logitech-hidpp.c, so let's make them static.

Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2016-01-28 14:28:39 +01:00
Edwin Velds ff21a635dd HID: logitech-hidpp: Force feedback support for the Logitech G920
This patch implements force feedback support for the Logitech
G920 Driving Force Racing Wheel. It is a generic implementation
of feature 0x8123 of the Logitech HID++ protocol and should be
usable for any future devices that implement this feature.

This patch should be applied after the basic G920 support patch
by Simon Wood:
http://www.spinics.net/lists/linux-input/msg42174.html

The driving supports everything that is supported by the G920
firmware:
    FF_CONSTANT
    FF_PERIODIC
    FF_SINE
    FF_SQUARE
    FF_SAW_UP
    FF_SAW_DOWN
    FF_TRIANGLE
    FF_SPRING
    FF_DAMPER
    FF_AUTOCENTER
    FF_GAIN
and for version 2 firmware also:
    FF_FRICTION
    FF_INERTIA
    FF_RAMP

Both envelopes and replay values are supported as well, but some
problems may occur when using firmware release 1. There is also a
small residual clockwise damper in the wheel when using the first
firmware release. All problems are fixed in the soon te be released
firmware version 2.

The default spring is disabled by permanently placing a spring
force in the wheel. This spring is also used as the autocenter
spring.

Note: The wheel _DOES_NOT_ auto switch to Logitech/HID mode (it is stuck
in XBox since the xpad changes where not included). Michal has an
alternative approach documented here (and the changes should be submitted
upstream to usb_modeswitch project):

===
Create a file named "046d:c261" in "/etc/usb_modeswitch.d" with the
following content:

DefaultVendor=046d
DefaultProduct=c261
MessageEndpoint=01
ResponseEndpoint=01
TargetClass=0x03
MessageContent="0f00010142"

Then run "usb_modeswitch -c /etc/modeswitch.d/046d:c291" as root and
watch the magic happen:)
===

[jkosina@suse.cz: added information about mode switching from Simon]
[jkosina@suse.cz: fixed a few stylistic issues pointed out by Simon]
[jkosina@suse.cz: fix merge conflict due to to_hid_device() changes]
Signed-off-by: Edwin Velds <e.velds@gmail.com>
Tested-by: Elias Vanderstuyft <elias.vds@gmail.com>
Tested-by: Simon Wood <simon@mungewell.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2016-01-28 14:27:44 +01:00
Andrew Duggan b786ae8e26 HID: rmi: Check that the device is a RMI device in suspend and resume callbacks
Commit 0925636042 ("HID: rmi: Disable scanning if the device is not a wake
source") introduced a regression for devices which use hid-rmi to handle
composite USB devices. The suspend or resume callbacks are not checking
that the device is a RMI device before calling rmi_read or rmi_write.
This results in dereferencing uninitialized variables on non RMI devices. This
patch checks that the RMI_DEVICE flag is set before sending RMI commands to the
device.

Reported-by: Rodrigo Gomes <rodrigo.toste.gomes@gmail.com>
Signed-off-by: Andrew Duggan <aduggan@synaptics.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2016-01-27 22:39:32 +01:00
Raphael Assenat 71d362be0a HID: usbhid: Fix incorrect product id of old 4nes4snes
The correct product ID for the old version of the raphnet 4nes4snes
device was 0x0a9d, not 0x0a8d.

Signed-off-by: Raphael Assenat <raph@raphnet.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2016-01-25 15:58:07 +01:00
Benjamin Tissoires 962b7a0e77 HID: add HID_QUIRK_NOGET to Quanta 3003 too
dmesg shows a lot of:
[ 1374.890348] hid-multitouch 0003:0408:3003.0007: usb_submit_urb(ctrl) failed: -1
[ 1384.916388] hid-multitouch 0003:0408:3003.0007: usb_submit_urb(ctrl) failed: -1
[ 1384.916432] hid-multitouch 0003:0408:3003.0007: timeout initializing reports

Add the quirk and make the touchscreen happy.

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Tested-by: Jim lovell <jimlovell777@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2016-01-21 14:13:01 +01:00
Linus Torvalds e3de671dd6 asm-generic changes for 4.5
The asm-generic tree this time contains one series from Nicolas Pitre
 that makes the optimized do_div() implementation from the ARM
 architecture available to all architectures. This also adds stricter
 type checking for callers of do_div, which has uncovered a number
 of bugs in existing code, and fixes up the ones we have found.
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Merge tag 'asm-generic-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic

Pull asm-generic updates from Arnd Bergmann:
 "The asm-generic tree this time contains one series from Nicolas Pitre
  that makes the optimized do_div() implementation from the ARM
  architecture available to all architectures.

  This also adds stricter type checking for callers of do_div, which has
  uncovered a number of bugs in existing code, and fixes up the ones we
  have found"

* tag 'asm-generic-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic:
  ARM: asm/div64.h: adjust to generic codde
  __div64_32(): make it overridable at compile time
  __div64_const32(): abstract out the actual 128-bit cross product code
  do_div(): generic optimization for constant divisor on 32-bit machines
  div64.h: optimize do_div() for power-of-two constant divisors
  mtd/sm_ftl.c: fix wrong do_div() usage
  drm/mgag200/mgag200_mode.c: fix wrong do_div() usage
  hid-sensor-hub.c: fix wrong do_div() usage
  ti/fapll: fix wrong do_div() usage
  ti/clkt_dpll: fix wrong do_div() usage
  tegra/clk-divider: fix wrong do_div() usage
  imx/clk-pllv2: fix wrong do_div() usage
  imx/clk-pllv1: fix wrong do_div() usage
  nouveau/nvkm/subdev/clk/gk20a.c: fix wrong do_div() usage
2016-01-20 17:30:20 -08:00
Benjamin Tissoires 50220dead1 HID: core: prevent out-of-bound readings
Plugging a Logitech DJ receiver with KASAN activated raises a bunch of
out-of-bound readings.

The fields are allocated up to MAX_USAGE, meaning that potentially, we do
not have enough fields to fit the incoming values.
Add checks and silence KASAN.

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2016-01-19 14:09:34 +01:00
Dmitry Torokhov 5137b354bc HID: fix out of bound access in extract() and implement()
extract() and implement() access buffer containing reports in 64-bit
chunks, but there is no guarantee that buffers are padded to 64 bit
boundary. In fact, KASAN has caught such OOB access with i2c-hid and
Synaptics touch controller.

Instead of trying to hunt all parties that allocate buffers and make
sure they are padded, let's switch extract() and implement() to byte
access. It is a bit slower, bit we are not dealing with super fast
devices here.

Also let's fix link to the HID spec while we are at it.

Signed-off-by: Dmitry Torokhov <dtor@chromium.org>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2016-01-19 14:09:14 +01:00